| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| Tétreault, Armand | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Arthur | 7th cousin once removed | XVII | 9 |
| | 7th cousin once removed of the wife | | |
| Tétreault, Aurélie | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Tétreault, Bonaventure | Half 1st cousin 7 times removed | XI | 9 |
| | Half 1st cousin 7 times removed of the wife | | |
| Tétreault, Brian Florian Joseph Maurice | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Charles | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Claude | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Danielle Lyna | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Dennis | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Florient Henri (Xyste) | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Frédéric | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Gerry | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Hélène | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Tétreault, Henri Gélas Tétreault | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Hermine | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Tétreault, Ida | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Jean-Baptiste | Half 1st cousin 7 times removed | XI | 9 |
| | Half 1st cousin 7 times removed of the wife | | |
| Tétreault, Jeannette | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Joseph | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Joseph | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Joseph | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Joseph Azarie | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Tétreault, Joseph Azarie Jr. | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Tétreault, Joseph-Léopold (Paul Léo) | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Joseph-Maurice Alcide | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |